UNIT-I Concept of Cyberspace: Netizens Technology, Law and Society Object, Scope of the Information Technology Act, 2000, Electronic Records and Electronic Commerce., Intrusion Detection System, Intrusion Prevention System, Public Key Infrastructure. 

UNIT-II 

 Internet Security: Computer Security and Threats, Hacking, Cracking, sneaking, Viruses, Trojan Horses, malicious code, Worms and Logic Bombs. Network attack and Defence Most Common Attacks, Scripts Kiddies and Packaged Defense. 

 UNIT-III Wireless Network Security : Wireless Network Components, Security issues in Wireless Networks, Securing a Wireless Network, Mobile Security, The Smartphone Pentest Framework 

 UNIT-IV Cyber Laws and Standards: ISO 27001, Cyber Law (Information Technology Act, 2000), International Standards maintained for Cyber Security, Security Audit ,Investigation by Investing Agency, Cyber Security Solutions. 

 UNIT-V Security Management: Disaster Recovery, Digital Signature, Ethical Hacking, Penetration Testing, Computer Forensics